Big Battle At The Bridge : Mario Gamal

Mysterious revival, dimensional invasion of reality, a large number of animals to gain evolution, attack human cities, humans rely on thermal weapons to protect the city
As time goes on. The monster gradually evolved and became stronger, and scientists created a cannon that could be upgraded, and the cannon randomly fired a variety of shells with different attack forces, so as to withstand the attack of the monster
As long as you kill enough monsters and earn points, the cannon can be upgraded and the monsters will be stronger
Let's attack the monsters and protect the city home